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Finding the Fourth Proportional to 55,248.88, 76,306.80 and 36,469.84

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Solution

The fourth proportional to 55,248.88, 76,306.80 and 36,469.84 is: 50,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.88 : 76,306.80 = 36,469.84 : x
  2. Step 2: Convert to fraction form
    55,248.88/76,306.80 = 36,469.84/x
  3. Step 3: Cross multiply
    55,248.88x = 76,306.80 × 36,469.84
  4. Step 4: Simplify right side
    55,248.88x = 2,782,896,786.91
  5. Step 5: Solve for x
    x = 2,782,896,786.91/55,248.88
  6. Step 6: Final answer
    x = 50,370.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.